By the extraction and derivation of gastrodia elata, the content of monose in gastrodia elata leaves is analyzed by capillary chromatography and five kinds of monose are determined.

• 通过对天麻的提取和衍生处理；采用毛细管气相色谱法分析了天麻中可溶性单糖含量；鉴定出天麻中含有5种单糖.；分析方法操作简便、实用性强；可为天麻质量评价提供可靠的依据